3
在Xcode调试器中,如何调用函数内部的函数?如何在Xcode调试器中调用嵌套的Swift函数?
代码(errorMessage
是实例方法,和firstName
& lastName
是self
属性。)
func errorMessage() -> String? {
func isValidName(name: String) -> Bool {
return 1...50 ~= name.characters.count
}
var nameType: String?
if !isValidName(firstName) {
nameType = "First"
} else if !isValidName(lastName) {
nameType = "Last"
}
if let messagePrefix = nameType {
return "\(messagePrefix) name must be between 1 & 50 characters."
} else {
return nil
}
}
调试器
(lldb) p isValidName("Matt")
error: <EXPR>:1:1: error: use of unresolved identifier 'isValidName'
isValidName("Matt")
^~~~~~~~~~~
这个问题在这里的讨论看起来非常固定这里http://stackoverflow.com/questions/28497533/po-gives-error-expr11-error-use-of-unresolved-identifier –